The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 3 |
| 4 | 3 |
| 5 | 5 |
| 6 | 5 |
| 7 | 7 |
| 8 | 7 |
| 9 | 9 |
| 10 | 9 |
| 11 | 11 |
| 12 | 11 |
| 13 | 13 |
| 14 | 13 |
| 15 | 15 |
| 16 | 15 |
| 17 | 17 |
| 18 | 17 |
| 19 | 17 |
| 20 | 17 |
| 21 | 17 |
| 22 | 17 |
| 23 | 17 |
| 24 | 17 |
| 25 | 17 |
| 26 | 17 |
| 27 | 17 |
| 28 | 17 |
| 29 | 17 |
| 30 | 17 |
| 31 | 17 |
| 32 | 18 |
| 33 | 20 |
| 34 | 22 |
| 35 | 24 |
| 36 | 26 |
| 37 | 28 |
| 38 | 30 |
| 39 | 32 |
| 40 | 34 |
| 41 | 36 |
| 42 | 38 |
| 43 | 40 |
| 44 | 42 |
| 45 | 44 |
| 46 | 46 |
| 47 | 46 |
| 48 | 46 |
| 49 | 46 |
| 50 | 46 |
| 51 | 46 |
| 52 | 46 |
| 53 | 46 |
| 54 | 46 |
| 55 | 46 |
| 56 | 46 |
| 57 | 46 |
| 58 | 46 |
| 59 | 46 |
| 60 | 46 |
| 61 | 46 |
| 62 | 46 |
| 63 | 46 |
| 64 | 46 |
| 65 | 47 |
| 66 | 49 |
[1,1,3,3,5,5,7,7,9,9,11,11,13,13,15,15,17,17,17, 17,17,17,17,17,17,17,17,17,17,17,17,18,20,22,24, 26,28,30,32,34,36,38,40,42,44,46,46,46,46,46,46, 46,46,46,46,46,46,46,46,46,46,46,46,46,47,49] |